ethyl (8R,11R,14S,15R)-11-[3-[2-[(1S)-1-azido-2-phenylmethoxyethyl]-4,6-dimethoxyphenyl]-4-methoxyphenyl]-15-[tert-butyl(dimethyl)silyl]oxy-5-hydroxy-4-methoxy-8-[(2-methylpropan-2-yl)oxycarbonylamino]-9,12-dioxo-2-oxa-10,13-diazatricyclo[14.2.2.13,7]henicosa-1(18),3(21),4,6,16,19-hexaene-14-carboxylate 在
lithium hydroxide 、
四丁基氟化铵 、
三乙基膦 作用下,
以
四氢呋喃 、
水 、
乙腈 为溶剂,
反应 26.17h,
生成 (8R,11R,14S,15R)-11-[3-[2-[(1S)-1-amino-2-phenylmethoxyethyl]-4,6-dimethoxyphenyl]-4-methoxyphenyl]-5,15-dihydroxy-4-methoxy-8-[(2-methylpropan-2-yl)oxycarbonylamino]-9,12-dioxo-2-oxa-10,13-diazatricyclo[14.2.2.13,7]henicosa-1(18),3(21),4,6,16,19-hexaene-14-carboxylic acid